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PartsTable / COMPONENT / R21934
R21934 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The GEAR,DRIVE is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-163-2474, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
R21934
NSN: 3020-00-163-2474
FSC: 3020
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL,INTERNAL AND EXTERNAL TEETH,67 EXTERNAL TEETH,27.600 IN. OD,26.800 IN.PITCH DIA,3 IN.W OF FACE,1.25664 IN.CIRCULAR PITCH,40 INTERNAL TEETH,16 IN.PITCH DIA IN
NSN3020-00-163-2474
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,DRIVE TITLE COMPONENT PN R21934 MFR GEAR,DRIVE
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL,INTERNAL AND EXTERNAL TEETH,67 EXTERNAL TEETH,27.600 IN. OD,26.800 IN.PITCH DIA,3 IN.W OF FACE,1.25664 IN.CIRCULAR PITCH,40 INTERNAL TEETH,16 IN.PITCH DIA IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL,INTERNAL AND EXTERNAL TEETH,67 EXTERNAL TEETH,27.600 IN. OD,26.800 IN.PITCH DIA,3 IN.W OF FACE,1.25664 IN.CIRCULAR PITCH,40 INTERNAL TEETH,16 IN.PITCH DIA IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
C209-11Interchangeable
interchangeable cross-reference
interchangeable
21934Interchangeable
interchangeable cross-reference
interchangeable
1604-1Interchangeable
interchangeable cross-reference
interchangeable
2060A-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R21934?
R21934 is a GEAR,DRIVE.
What parts can replace R21934?
There are 4 known substitutes for R21934: C209-11, 21934, 1604-1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R21934?
R21934 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-163-2474. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026